Neanderthal kids living in a French cave 250,000 years ago faced more disease and harsher winters than a human kid living in the same cave 5,000 years ago. The study, which used lead found in teeth, backs up the theory the theory that climate wiped out their kind.

See the source article by following the link below:
Neanderthal kids living in a French cave 250,000 years ago faced more disease and harsher winters than a human kid living in the same cave 5,000 years ago. The study, which used lead found in teeth, backs up the theory the theory that climate wiped out their kind.